WSN > NB-IoT > LSD4WF-2MD05101


LSD4WF-2MD05101 is a WIFI module for electronic devices to achieve networking capabilities. The module complies with 802.11b/g/n international standard specification, with built in integrated high performance Cortex M4 and Wi-Fi chip, this module can easily access the traditional serial port equipment or MCU control devices to network and establish wireless networking control.


TCP/IP protocol stack is built in LSD4WF-2MD05101 WIFI module, it supports STA/AP/STA+AP coexistent work mode, wireless local upgrading and OTA remote firmware upgrading.

Dimension of LSD4WF-2MD05101 Wi-Fi: 32.8mmx23.1mmx3.2mm

Stamp hole package, Built-in onboard PCB antenna

Comply with 802.11b/g/n protocol

Built-in high performance M4 core MCU, maximum frequency: 100MHz high speed data processing capability

Support UART/GPIO/SPI/PWM interface

Supports QJoine high speed link configuration

Support STA/AP/STA+AP coexistent working mode

Support WPA/WPA2/WEP encryption

Support wireless, Web and OTA remote firmware upgrading

Support multiple net protocol communication

Provide AT+Instruction Set configuration.

Optional built-in onboard PCB antenna and external antenna port

Dimension:32.8mmx23.1mmx3.2mm, stamp hole package

3.3V single power supply

CE/FCC Certification

RoHS standard


Standard 802.11 b/g/n                                                  
Frequency 2.412GHz-2.482GHz
Transmitting power 802.11b:+17.0dBm(@11Mbps)
Transmitting power 802.11g:+14.5dBm(@54Mbps)
Transmitting power 802.11n:+13.0dBm(@HT20,MCS7)
Receving sensitivity 802.11b: -83 dBm (@1Mbps ,CCK)
Receving sensitivity 802.11g: -74dBm (@54Mbps, OFDM)
Receving sensitivity 802.11n: -61dBm (@HT20, MCS7)
Antenna Built-in onboard antenna
Working voltage 3.3V3.0V~3.6V
Working current

Average:20mA                                        Transmitting peak current:200mA

Working temperature -40℃~ 85℃
Hardware interface USART/GPIO/SPI/PWM
Dimension 32.8mmx23.1mmx3.2mm
Wireless networking STA/AP/STA+APSTA/AP/STA+AP
Security mechanism WEP/WPA-PSK/WPA2-PSK
Encryption WEP/AES/TKIP
Firmware upgrading Local upgarding,Web upgrading, remote upgrading
Network protocol IPv4, TCP/UDP/FTP/HTTP
User configuration QJoine, AT+ command, Web page